On 4/25/19 10:22 PM, André Almeida wrote: > Create multiplanar kernel module parameter to define if the driver is > running in single planar or in multiplanar mode. Define the device > capabilities according to the multiplanar kernel parameter. A device can't > support both CAP_VIDEO_CAPTURE and CAP_VIDEO_CAPTURE_MPLANAR at the > same time. > > Signed-off-by: André Almeida <andrealmeid@xxxxxxxxxxxxx> Acked-by: Helen Koike <helen.koike@xxxxxxxxxxxxx> > --- > Change in v4: > - Split commit with "Add handler for multiplanar fmt ioctls" > > Change in v3: > - Squash commit with "Add handler for multiplanar fmt ioctls" > - Remove functions that only did the `IS_MULTIPLANAR(vcap)` check > - Assign ioctls according to device capabilities > > Changes in v2: > - Squash commits to create multiplanar module parameter and to define > the device capabilities > - Move the creation of the multiplanar parameter to the end of > history, so it's only added when all required changes are applied > > drivers/media/platform/vimc/vimc-capture.c | 12 ++++++++++-- > 1 file changed, 10 insertions(+), 2 deletions(-) > > diff --git a/drivers/media/platform/vimc/vimc-capture.c b/drivers/media/platform/vimc/vimc-capture.c > index 932d622d56ca..c5959b8e21f7 100644 > --- a/drivers/media/platform/vimc/vimc-capture.c > +++ b/drivers/media/platform/vimc/vimc-capture.c > @@ -28,6 +28,10 @@ > > #define VIMC_CAP_DRV_NAME "vimc-capture" > > +static unsigned int multiplanar; > +module_param(multiplanar, uint, 0000); > +MODULE_PARM_DESC(multiplanar, "0 (default) creates a single planar device, 1 creates a multiplanar device."); > + > /* Checks if the device supports multiplanar capture */ > #define IS_MULTIPLANAR(vcap) \ > (vcap->vdev.device_caps & V4L2_CAP_VIDEO_CAPTURE_MPLANE) > @@ -597,7 +601,9 @@ static int vimc_cap_comp_bind(struct device *comp, struct device *master, > > /* Initialize the vb2 queue */ > q = &vcap->queue; > - q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; > + q->type = multiplanar ? > + V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE : > + V4L2_BUF_TYPE_VIDEO_CAPTURE; > q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_USERPTR; > q->drv_priv = vcap; > q->buf_struct_size = sizeof(struct vimc_cap_buffer); > @@ -627,7 +633,9 @@ static int vimc_cap_comp_bind(struct device *comp, struct device *master, > > /* Initialize the video_device struct */ > vdev = &vcap->vdev; > - vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; > + vdev->device_caps = (multiplanar ? > + V4L2_CAP_VIDEO_CAPTURE_MPLANE : > + V4L2_CAP_VIDEO_CAPTURE) | V4L2_CAP_STREAMING; > vdev->entity.ops = &vimc_cap_mops; > vdev->release = vimc_cap_release; > vdev->fops = &vimc_cap_fops; >
